Remove useless condition in zend_generator_get_gc()

This was necessary for an earlier, non-commited version.

Author: TimWolla

Zend/zend_generators.c

@@ -358,9 +358,7 @@ static HashTable *zend_generator_get_gc(zend_object *object, zval **table, int *
 			zend_get_gc_buffer_add_zval(gc_buffer, &generator->value);
 			zend_get_gc_buffer_add_zval(gc_buffer, &generator->key);
 			zend_get_gc_buffer_add_zval(gc_buffer, &generator->retval);
-			if (generator->func && generator->func->common.fn_flags & ZEND_ACC_CLOSURE) {
-				zend_get_gc_buffer_add_obj(gc_buffer, ZEND_CLOSURE_OBJECT(generator->func));
-			}
+			zend_get_gc_buffer_add_obj(gc_buffer, ZEND_CLOSURE_OBJECT(generator->func));
 			zend_get_gc_buffer_use(gc_buffer, table, n);
 		} else {
 			/* If the non-closure generator has been closed, it can only hold on to three values: The value, key